JPH0443748U - - Google Patents
Info
- Publication number
- JPH0443748U JPH0443748U JP14627689U JP14627689U JPH0443748U JP H0443748 U JPH0443748 U JP H0443748U JP 14627689 U JP14627689 U JP 14627689U JP 14627689 U JP14627689 U JP 14627689U JP H0443748 U JPH0443748 U JP H0443748U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- prevention device
- ventilation fan
- backflow prevention
- drive shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002265 prevention Effects 0.000 claims 4
- 238000009423 ventilation Methods 0.000 claims 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 description 1
Landscapes
- Wind Motors (AREA)
- Air-Flow Control Members (AREA)
Description
第１図は本考案の実施例を示す正面図、第２図
は本考案に係る駆動部の他の実施例を示す要部拡
大正面図、第３図は本考案の他の実施例を示す正
面図である。
１……排風筒、２……モータ、２ａ……モータ
駆動軸、４……回転羽根、５……軸受部材、６…
…防振部材、８……継シヤフト、９……一方向ク
ラツチ、１０……天蓋、１１，１５……ベベルギ
ヤ、１３……プロペラシヤフト、１４……風向板
。
FIG. 1 is a front view showing an embodiment of the present invention, FIG. 2 is an enlarged front view of main parts showing another embodiment of the drive unit according to the present invention, and FIG. 3 is a front view showing another embodiment of the present invention. It is a front view. DESCRIPTION OF SYMBOLS 1...Blast pipe, 2...Motor, 2a...Motor drive shaft, 4...Rotating blade, 5...Bearing member, 6...
... Vibration isolation member, 8 ... Joint shaft, 9 ... One-way clutch, 10 ... Canopy, 11, 15 ... Bevel gear, 13 ... Propeller shaft, 14 ... Wind direction plate.
Claims (1)
装着するとともにモータ駆動軸に回転羽根を固着
し、モータ駆動軸の上向き突出端部に軸受部材を
一体に固着して軸受部材に一方向クラツチを装入
し、かつ一方向クラツチに継シヤフトの下部を係
脱自在に嵌入するとともに継シヤフトの上部を排
風筒に被せた天蓋の頂部を貫ぬき突出させ、後部
に風向板を設け、かつ、前部にプロペラを設けた
プロペラシヤフトに継シヤフトの上端を動力伝達
部材を介して直交方向に接続して成る屋上換気扇
の逆流防止装置。 (2) モータ駆動軸を防振材を介在させて軸受部
材に連結した請求項(1)記載の屋上換気扇の逆流
防止装置。 (3) 請求項記載(1)の天蓋を四角錐形に形成して
成る請求項(1)記載の屋上換気扇の逆流防止装置
。 (4) 請求項(1)記載の継シヤフトをフレキシブル
シヤフトで形成して成る請求項(1)記載の屋上換
気扇の逆流防止装置。[Scope of Claim for Utility Model Registration] (1) A motor is mounted on the wind exhaust pipe with its drive shaft vertical, a rotating blade is fixed to the motor drive shaft, and a bearing member is integrated with the upwardly protruding end of the motor drive shaft. A one-way clutch is inserted into the bearing member, and the lower part of the joint shaft is removably inserted into the one-way clutch, and the upper part of the joint shaft protrudes through the top of the canopy that covers the exhaust pipe. A backflow prevention device for a rooftop ventilation fan, comprising a propeller shaft having a wind direction plate at the rear and a propeller at the front, and the upper end of a joint shaft connected in an orthogonal direction via a power transmission member. (2) The backflow prevention device for a rooftop ventilation fan according to claim (1), wherein the motor drive shaft is connected to the bearing member with a vibration isolator interposed therebetween. (3) The backflow prevention device for a rooftop ventilation fan according to claim (1), wherein the canopy according to claim (1) is formed into a quadrangular pyramid shape. (4) The backflow prevention device for a rooftop ventilation fan according to claim (1), wherein the connecting shaft according to claim (1) is formed of a flexible shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14627689U JPH0537150Y2 (en) | 1989-12-18 | 1989-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14627689U JPH0537150Y2 (en) | 1989-12-18 | 1989-12-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0443748U true JPH0443748U (en) | 1992-04-14 |
| JPH0537150Y2 JPH0537150Y2 (en) | 1993-09-20 |
Family
ID=31692874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14627689U Expired - Lifetime JPH0537150Y2 (en) | 1989-12-18 | 1989-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0537150Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013088054A (en) * | 2011-10-19 | 2013-05-13 | Toyo Ceramics Kk | Natural air conditioning apparatus |
-
1989
- 1989-12-18 JP JP14627689U patent/JPH0537150Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013088054A (en) * | 2011-10-19 | 2013-05-13 | Toyo Ceramics Kk | Natural air conditioning apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0537150Y2 (en) | 1993-09-20 |
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